A rigid metallic item, generally circular. It may be formed of segmented arcs. It is designed to prevent leakage of air in an engine, gas turbine, aircraft. It may be of various cross-sectional shapes. It may have mounting facilities. It may act as a spacer but its primary function is as an air seal.
Classification: Parts of gas turbine aircraft engines, other than for use in civil aircraft
NSN 6110-01-423-3203
NSN 6320-00-925-0558
NSN 5945-00-448-2784
NSN 6240-01-066-0110
NSN 6685-00-978-3321
NSN 5930-01-224-1638
NSN 5855-01-159-1654
NSN 6320-01-506-9439
NSN 5855-00-610-4052
NSN 5925-01-634-0664
NSN 7035-00-200-5162
NSN 5996-01-331-6191